Visual representations and manipulatives are a highly advocated mathematical tool for the teaching and learning of multiplication and division. Although there is some prior research on elementary teachers' general use of manipulatives and visual representations, there is little to no specific focus on use of such representations on a specific…

This chart comparing communications software packages focuses on features important to novice users. Less obvious features covered in the chart are defined, including file transfer, protocols, baud rates, file types, capture methods, file editing, macro, tutorial unattended operation, document reading, and prices. A list of manufacturers of…

Discusses four trends relating to document delivery (DD), its future, and its impact on both the publisher and the library: (1) growth of DD; (2) acceptance of DD as a component of collection development and interlibrary loan; (3) move toward electronic publishing and delivery; and (4) growing voice of the author. Eight charts illustrate trends.…